Home / 7,688.69-10,610.45-4,331.19

Finding the Fourth Proportional to 7,688.69, 10,610.45 and 4,331.19

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Solution

The fourth proportional to 7,688.69, 10,610.45 and 4,331.19 is: 5,977.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,688.69 : 10,610.45 = 4,331.19 : x
  2. Step 2: Convert to fraction form
    7,688.69/10,610.45 = 4,331.19/x
  3. Step 3: Cross multiply
    7,688.69x = 10,610.45 × 4,331.19
  4. Step 4: Simplify right side
    7,688.69x = 45,955,853.28
  5. Step 5: Solve for x
    x = 45,955,853.28/7,688.69
  6. Step 6: Final answer
    x = 5,977.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.